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Driving Test
Massachusetts
Massachusetts CDL Knowledge Test Class B 1
Answers
Q.1.
An air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately ____ to come to a complete stop.
100 feet
250 feet
300 feet
450 feet
Q.2.
What should you do if the brake pedal does not build up pressure?
Upshift.
Downshift.
Hold the brake pedal down as far as it will go.
Pump the brakes.
Q.3.
In a convex mirror, objects seem ____ than they actually are.
Larger
Smaller
Closer
Q.4.
Federal and state laws require:
Drivers to regularly inspect their vehicles.
Drivers to inspect their vehicles, but only if they believe there may be a problem.
Drivers to inspect their vehicles if planning to travel out-of-state.
Drivers to inspect their vehicles, but only if they will be transporting hazardous materials.
Q.5.
When passing another vehicle, you should:
Make eye contact with the driver.
Assume the driver doesn’t see you.
Honk your horn.
Wait for the other driver to signal that it is safe to do so.
Q.6.
If a vehicle is equipped with power steering, the hoses should be checked:
For leaks.
To ensure that they are still clear.
To ensure that they are connected to the battery.
For the proper amount of brake fluid.
Q.7.
If your truck or trailer catches fire, you should:
Park in a congested area near trees.
Pull into a service station.
Park near other vehicles.
Park in an open area.
Q.8.
When taking the basic vehicle control skills test:
Points are deducted for each pull-up.
A driver is allowed three pull-ups per maneuver.
A pull-up will earn points only if the driver gets out of the vehicle before pulling up.
Only an excessive number of pull-ups will be counted as errors.
Q.9.
When driving, you should stop and take a break ____ to avoid becoming too tired.
Every half hour
Every hour
Every two hours
Every six hours
Q.10.
Bent lock rings:
Are acceptable.
Are not a concern in dry weather.
Are dangerous.
Can lengthen tire life.
Q.11.
A pre-trip inspection:
Should never be completed the same way two times in a row.
Should always be completed in the same order.
Should only be done if it is sunny outside.
Should not be done if the driver thinks the vehicle is in good operating order.
Q.12.
What does driving intrastate mean?
Traveling within a single state
Traveling from one state to another state
Traveling mostly within one state
A limited-access roadway
Q.13.
Which of the following is not a sign of bad brake drums or shoes?
Cracked drums
Pads with oil on them
Shoes worn thin
Shoes that are not covered in brake fluid
Q.14.
When using mirrors while driving, you should:
Look in the mirrors quickly.
Look in the mirrors for extended periods of time.
Use only the rearview mirror.
Use only the driver’s side mirror.
Q.15.
Where must placards be placed?
Only on the front of a vehicle
On the front, back and both sides of a vehicle
Only on the driver’s side of a vehicle
Only on the passenger's side of the vehicle
Q.16.
If required to complete a vehicle inspection report in writing, the report must be signed:
Every day.
Only if defects have been noted and certified to have been repaired.
Only if the repairs are estimated to cost more than $1,000.
Only if requested to do so by a law enforcement officer.
Q.17.
Why do you need to drain air tanks regularly?
Because the air gets old and needs to be replaced
Because compressed air contains some water which must be drained from the tanks
To allow for a change in air pressure
To remove bad air from the tanks
Q.18.
When stopping:
The brake pedal should be pressed down gradually.
The brake pedal should be pushed down quickly.
The brake pedal should be pressed down repeatedly, but not held down continuously.
The amount of force required on the brake pedal will be the same each time you slow or stop.
Q.19.
Why do drivers have to inspect their vehicles?
It is usually a company policy.
It is usually a local ordinance.
It is a federal and state law.
It adds to the amount of time for which they will be paid.
Q.20.
If you must drive very slowly, you should:
Warn other motorists.
Drive on the shoulder.
Stay in the left lane.
Sound your horn.
Q.21.
Foundation brakes are used:
Only at the front wheels.
Only at the rear wheels.
Only at the driver’s side wheels.
At each wheel.
Q.22.
If something is found to be unsafe during a pre-trip inspection, you should:
Continue with the trip and make an appointment with a mechanic after the trip is completed.
Let a more experienced driver use the truck.
Get the issue fixed immediately.
Not use the items found to be unsafe, but may continue driving normally.
Q.23.
When you need to stop in an emergency, you should:
Lock the wheels and skid to a stop.
Stop in a way that keeps your vehicle in a straight line.
Stop in a way that turns your vehicle.
Expect your vehicle to slow down more quickly than usual.
Q.24.
What is brake lag?
The time required for the brakes to work after the brake pedal is pushed
The distance between the brake pedal’s resting position and the floor
The amount of air pressure used to stop a vehicle
How faded the brakes are
Q.25.
Which of the following is not acceptable emergency equipment?
Three red reflective triangles
Six fuses
Three liquid burning flares
Four yellow squares
Q.26.
If applying for a hazardous materials endorsement, you must:
Submit your fingerprints.
Not have any moving violations on your driving record.
Promise to be a good driver.
Pay a security bond.
Q.27.
A sign indicating a maximum safe speed:
Is suggesting a driving speed, but vehicles may travel faster than the posted speed.
Is suggesting a speed limit to be followed only by vehicles weighing more than 26,000 pounds.
Should be followed and no vehicle should travel faster than the posted speed.
Is only applicable to automobiles.
Q.28.
What must be on an air tank in an air-braked vehicle?
A check valve
A lock
A trap door
An oxidizer
Q.29.
What is removed when an air tank is drained?
Water and oil
Ammonia
Wood
Chlorine
Q.30.
Before a vehicle with dual air brakes is driven, pressure of at least ____ should be built up in both braking systems.
10 psi
25 psi
50 psi
100 psi
Q.31.
After the engine is started, warning lights and buzzers should all:
Stay on.
Flicker occasionally.
Turn off right away.
Turn off once the vehicle begins moving.
Q.32.
When a brake pedal is pressed and the S-cam is turned, the S-cam:
Presses the brake shoes against the inside of the brake drum.
Tightens the brake drum onto the axle.
Presses the brake lining against the wheel.
Releases air from the air tanks.
Q.33.
If the air pressure warning light comes on, you should:
Continue to drive normally.
Drive with one foot on the accelerator and one foot on the brake pedal.
Call the local law enforcement agency.
Safely exit the roadway and stop.
Q.34.
Which of the following is not a good way to reduce crashes when turning right?
Turn slowly.
Keep the tail end close to the curb.
Keep an eye on oncoming traffic.
Allow open space on your right side.
Q.35.
If you must drive in reverse, it is helpful to:
Drive as fast as possible and get it over with.
First exit the truck and walk the path to look for obstacles.
Use only the passenger side mirror.
Stick your head out the window and look backward.
Q.36.
When being approached by a vehicle using bright headlights while driving at night, you can avoid being blinded by the headlights by:
Wearing sunglasses.
Closing your eyes.
Glancing to the side of road.
Using your high beams.
Q.37.
When traveling down a downgrade, the speed of a vehicle will likely:
Decrease.
Not change.
Increase.
Match the speed of traffic.
Q.38.
When it is difficult to see, such as at dawn or dusk, what is the best way to make your vehicle more visible?
Use your high beam lights.
Use your low beam lights.
Use only your clearance lights.
Do not use any lights.
Q.39.
According to a National Sleep Foundation poll, about ____ of people have driven while sleepy.
10 percent
20 percent
60 percent
100 percent
Q.40.
During the pre-trip inspection test, you will be:
Expected to explain your knowledge of the pre-trip process.
Watching someone else check your vehicle.
Watching a film on how to inspect a vehicle.
Changing all the tires on your vehicle.
Q.41.
You should not use the parking brake:
If your vehicle is stopped on a level surface.
If your vehicle is stopped on a slight incline.
If your vehicle's brakes are very hot.
If your vehicle's other braking systems seem to be working adequately.
Q.42.
When approaching a downgrade, how can you reduce the amount of braking that will be needed?
Switch to a higher gear.
Switch to a lower gear.
Switch to neutral.
Turn off the engine.
Q.43.
During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:
10 psi in a minute.
8 psi in a minute.
6 psi in a minute.
4 psi in a minute.
Q.44.
To correct a drive-wheel braking skid, a driver should do all of the following, except:
Remove your foot from the brake pedal.
Turn quickly in the direction of the skid.
Countersteer after the vehicle is back on course.
Accelerate.
Q.45.
When inspecting cargo, the driver should do all of the following, except:
Ensure that the truck is not overloaded.
Ensure that the cargo is balanced.
Ensure that the cargo is secured properly.
Ensure that the breakable items are placed under heavier items.
Q.46.
How should you test the low pressure warning signal?
Engage and disable the parking brake.
Rapidly press and release the brake pedal.
Open the rear shut-off valves.
Uncouple and recouple all glad hands.
Q.47.
Most heavy trucks with manual transmissions require ____ to change gears.
Single clutching
Double clutching
Triple clutching
Quadruple clutching
Q.48.
The air pressure in a dual air brake system should build from 85 to 100 psi within:
Two minutes.
15 seconds.
10 minutes.
45 seconds.
Q.49.
A stopped bus:
Is not a cause for concern.
Is not a concern if passengers are not unloading.
Should not be on the roadway.
Is a concern, whether passengers are visible or not.
Q.50.
The front of an enclosed trailer should:
Be swept clean.
Contain rags.
Not be used for cargo.
Be free of cracks.
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